Single tapped primary driven fromservo amplifier, max linear v 25vrms, 400 hz, single untapped secondary, drives gyro leveling torquer in parallel w/ 0.33uf capacitor, max linear v 37vrms, 400 hz, item has 5 tab terminals, mounted by 2 nc4-40 holes on bottom; ; 1.250 in l, 1.250 in w, 1.453 in h